[  817.518915][T15836] netdevsim netdevsim298 eni298np1: renamed from eth0
[  817.530748][T15833] netdevsim netdevsim630 eni630np1: renamed from eth1
[  818.162542][T15822] Could not find device with ifindex 2000 in netnsfd 11
[  818.163264][T15822] Could not find netns with fd: 2000
[  818.163742][T15822] Cannot link a netdevsim to itself
[  818.164272][T15822] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).